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Verify that the Aster instance started successfully by issuing these commands on the queen node:
asteryarn --action=STATUS_INSTANCE
yarn node --list --all
The output from the asteryarn command will show all workers in Active state and the output from the yarn command will show one container for each node. Note that one of the nodes will have an additional container which is created for the Application master.
If any errors are reported, see Accessing YARN Log Files.